[3] He grew up playing ice hockey, getting a sports scholarship for college, but after an injury that made him change his career, he studied Theater at the University of Toronto.

[3] Smith continued studying acting at Webber Douglas in London, England, where he took leading roles in TV shows like the British classic EastEnders, and in films such as Murder On The Orient Express.

[4] In his early work, Smith portrayed secondary characters in films like 300 (2006), Immortals (2011), and Total Recall (2012).

[5] In 2016, Smith played the role of Lakan in Hulu film Dawn, and Tristam Blanchard in the BBC TV series Ripper Street.

[6] In 2018, his main roles were Jasper in Maze Runner: The Death Cure,[7] and Daniel in Lemonade, a drama from Cristian Mungiu.